Sorting Triangles by Side Length (Tricky Triangles Set 1)

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37.43 MB   |   36 pages

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Lesson Plans for a week to introduce children to sorting triangles

Cartoon characters triangle poster (opening)
Weblink to YouTube film on Sorting Triangles by Side Length
Word wall vocabulary and images
Blackline masters for math journal entries by students (equilateral, isosceles and scalene)
Sorting triangles by side length worksheet (6 triangles - 1-3 show measurement only, 4-6 also feature tick marks).
Blackline flashcards (4 to a page) - equilateral, isosceles and scalene, also the same equilateral and isosceles cards with congruency tick marks.


Tricky Triangles (dominoes): one half shows a triangle, the other has a text description of a different kind of triangle. Double equilateral, double isosceles and double scalene support students with math vocabulary as they play. Start with double equilateral or double isosceles.
Group self-assessment recording on Notes sheet. Note down if you get help, at the end of the game kudos is given to those who help others (and you know who gets it and who doesn't).

Teacher demo-set of Tricky Triangles are up-sized for board use.
Give students triangles with tick marks showing congruency or without. You choose which you want to use.

Cross-curricular link to art. Text description of sessions 4 and 5 - students use triangles to create window art and define some of their triangles (at least 2 of each type). Finished pictures not yet present.

3 different Gym activities to engage kinesthetic learners and give instant visual assessment for who can sort and who is having difficulty. In-gym assessment reporting sheet included.
Total Pages
36
Answer Key
N/A
Teaching Duration
1 Week

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Sorting Triangles by Side Length (Tricky Triangles Set 1)
Sorting Triangles by Side Length (Tricky Triangles Set 1)
Sorting Triangles by Side Length (Tricky Triangles Set 1)
Sorting Triangles by Side Length (Tricky Triangles Set 1)